import bpy
import sys

argv = sys.argv
argv = argv[argv.index("--") + 1:]
assert len(argv) >= 1

output_path = argv[0]
assert output_path.endswith(".gltf") or output_path.endswith(".glb")
bpy.ops.export_scene.gltf(
    filepath=output_path,
    use_visible=True,
)